springiest
Webster's Dictionary (GCIDE)
Springy \Spring"y\ (-[y^]), a. [Compar. Springier (-[i^]*[~e]r); superl. Springiest.] [From Spring.]
1.Resembling, having the qualities of, or pertaining to, a spring; elastic; as, springy steel; a springy step. [1913 Webster]
Though her little frame was slight, it was firm and springy.— Sir W. Scott.[1913 Webster]
2.Abounding with springs or fountains; wet; spongy; as, springy land. [1913 Webster]